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Finding the Fourth Proportional to 34,896.64, 48,141.48 and 20,741.44

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Solution

The fourth proportional to 34,896.64, 48,141.48 and 20,741.44 is: 28,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,896.64 : 48,141.48 = 20,741.44 : x
  2. Step 2: Convert to fraction form
    34,896.64/48,141.48 = 20,741.44/x
  3. Step 3: Cross multiply
    34,896.64x = 48,141.48 × 20,741.44
  4. Step 4: Simplify right side
    34,896.64x = 998,523,618.93
  5. Step 5: Solve for x
    x = 998,523,618.93/34,896.64
  6. Step 6: Final answer
    x = 28,613.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.